Levels of continuous positive airway pressure (CPAP) Self-Efficacy Index and CPAP Decisional Balance Index over time
| Baseline | 6 months | 12 months | ||||
| Median | IQR | Median | IQR | Median | IQR | |
| CPAP Self-Efficacy Index | ||||||
| Intervention | 4.2 | 3.6–4.8 | 4.4 | 3.8–5.0 | 4.6 | 3.6–5.0 |
| Control | 4.2 | 3.6–4.8 | 4.2 | 3.0–4.8 | 4.2 | 3.0–5.0 |
| CPAP Decisional Balance Index | ||||||
| Intervention | −4.0 | −8.0–4.0 | 1.0 | −6.0–7.0 | 0.0 | −6.0–6.0 |
| Control | −3.0 | −9.0–4.0 | −3.0 | −10.5–4.0 | −2.0 | −11.0–4.0 |